CN1211503A - Manufacture method of aluminium-plastics composite plate - Google Patents
Manufacture method of aluminium-plastics composite plate Download PDFInfo
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- CN1211503A CN1211503A CN 98116826 CN98116826A CN1211503A CN 1211503 A CN1211503 A CN 1211503A CN 98116826 CN98116826 CN 98116826 CN 98116826 A CN98116826 A CN 98116826A CN 1211503 A CN1211503 A CN 1211503A
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- 238000000034 method Methods 0.000 title claims description 35
- 238000004519 manufacturing process Methods 0.000 title claims description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 claims description 35
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 34
- 238000013329 compounding Methods 0.000 claims description 23
- 239000004698 Polyethylene Substances 0.000 claims description 15
- 239000004831 Hot glue Substances 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 13
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- 238000007493 shaping process Methods 0.000 claims description 8
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- 239000012528 membrane Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 14
- 239000004411 aluminium Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 7
- 239000004814 polyurethane Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229920001684 low density polyethylene Polymers 0.000 description 5
- 239000004702 low-density polyethylene Substances 0.000 description 5
- 239000011157 advanced composite material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
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- 238000005034 decoration Methods 0.000 description 2
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- 239000004707 linear low-density polyethylene Substances 0.000 description 2
- 229920001179 medium density polyethylene Polymers 0.000 description 2
- 239000004701 medium-density polyethylene Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
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- 230000001771 impaired effect Effects 0.000 description 1
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Images
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- Lining Or Joining Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
A composite aluminium-plastic plate is composed of aluminium alloy sheets as top and bottom layers, plastic plate as sandwich, and thermosol films between aluminium alloy sheets and plastic plate, and is made up through preheating, prepressing, continuous planar press and heating, and cooling. Its advantages include uniform planar heating to obtain high uniformity and adhesion, high productivity and beautiful appearance.
Description
The present invention relates to a kind of manufacture method of composited aluminum and plastic decking, more particularly relate to a kind of method of making composited aluminum and plastic decking by the compound and cooling and shaping of plane heating.
Along with expanding economy and technological progress, the modern architecture decoration industry just by leaps and bounds develops.In field of new, advanced composite material (ACM) is the direction that various countries competitively develop, advanced composite material (ACM) is by special process and the compound system that constitutes with variform and structure by metal, nonmetal or macromolecular material, the fine quality that integrates each component produces and creates the new material that special applications is worth.The new decorative material of architectural decoration leader trend is the compound system of different product materials mostly at present, especially the aluminium-plastic panel that is described as the building and ornament materials upstart is one of composite kind of the nineties advanced person, it has created the high added value and the benefit of construction market, the new stage of having developed architectural decorative art.
Composited aluminum and plastic decking is to be that face is pulled with the aluminium sheet, and the macromolecular material PE of lightweight etc. make for core, and surface color applies, flat appearance, attractive in appearance, and use, processing, easy for installation, it is bright to be used for the gorgeous hall of decorating inner and external walls.Its specific strength and specific rigidity degree height,
Composited aluminum and plastic decking is succeeded in developing by Germany, Japan and other countries the earliest, enters Chinese market in the nineties.The domestic market mostly is imported product greatly at present.Though the large raw material of some of composited aluminum and plastic decking are common used material, manufacturing technology and complex process, extremely difficult the grasp.
External plastic-aluminum combined board production technology can roughly be divided into following three kinds at present, and the one, the wet method combination process adopts solvent type adhesive, or the liquid-type adhesive, as polyurethanes, with coating method, is coated on PE face or aluminium sheet the inside, and hot-press solidifying forms composite plate.This method is used in early days.Advantage is that processing temperature is low, and its drawback is that the composite plate peel strength is low, and solvent evaporates causes environmental pollution, and production efficiency is not high yet.The 2nd, the coextrusion complex technique.PE core and binder resin are extruded simultaneously, and binder resin is compound at the PE surface filming, and be between composite roll, compound with two layers of aluminium sheet hot pressing then.This explained hereafter efficient height, but equipment complexity, costliness, and be not easy control.The 3rd, direct hot melt is compound.Aluminium sheet, PE core, bonding film be totally five layers of directly stack, contacts by circle roller tangent line and heat compoundly, adopts preheating-hot pressing one cooling and shaping technology, forms composite.This technological equipment investment is few, but the heating-up temperature height, plate face planarization is poor, and lumber recovery is low, also has the inhomogenous problem of cementability.
The object of the present invention is to provide a kind of heating surface big, the adhesive strength height, the plate face planarization after compound is good, and the manufacture method of the composited aluminum and plastic decking that automaticity and production efficiency are high is to overcome the defective of above-mentioned domestic and international combination process.
For achieving the above object, the invention provides a kind of manufacture method of composited aluminum and plastic decking, this method be with aluminium alloy panel, aluminum alloy bottom plate and place the quilted plastic panel between the two-layer aluminium alloy plate and place aluminium alloy plate and central layer between hot melt adhesive film superimposed after, just sticking through the preheating pressurization, in compounding machine, carry out continuous level pressurization hot melt adhesive and cooling and shaping.
The processing step of the manufacture method of composited aluminum and plastic decking of the present invention is as follows:
A, aluminium alloy panel, aluminum alloy bottom plate, quilted plastic panel and two-layer hot melt adhesive film are loaded on respectively on the uncoiler, centering is satisfied stacked closing under tension force control;
B, in pre-sticking machine the preheating pressurization just sticking;
C, continuously heating is compound to carry out the plane in compounding machine, and cooling and shaping;
D, in laminator pasting protective film;
E, cut into finished product by the cutting machine scale.
Described quilted plastic panel is central layers such as polyethylene or modified poly ethylene.
Hot melt adhesive film is polycthylene grafted or its copolymer or blend, or itself and poly composite membrane.
Plane heating section in compounding machine is provided with three thermals treatment zone, and each district is provided with different temperatures, and temperature is adjustable.
The temperature of three thermals treatment zone is: 120～130 ℃ of the 1st thermals treatment zone, and 120～150 ℃ of the 2nd thermals treatment zone, 120～150 ℃ of the 3rd thermals treatment zone, and the temperature of the two end portions in each district and mid portion can be adjusted 10～20 ℃ on central segment temperature basis.
Compounding machine carries out the moulding pressure of plane heating to be regulated by the working clearance of regulating compounding machine, and the working clearance of compounding machine can be regulated in the scope less than 150mm.
Described temperature and pressure is controlled automatically by a programmable control system.
The present invention has overcome the defective of prior art, replaces existing line contact heating process with face heating, has increased heating surface, makes composite plate be heated man-hour more evenly adding, and has improved bonding uniformity and adhesive strength; The different thermals treatment zone is set has guaranteed the homogeneity of heating-up temperature and the homogeneity of plate face quality; Cooling and shaping technology then not only makes composite plate sclerosis typing, and has eliminated the internal stress of composite plate effectively.The manufacture method of composited aluminum and plastic decking of the present invention is suitable for carrying out large-scale industrial production and continuous automatic production, the production efficiency height, and the template of producing is more smooth, and profile is more attractive in appearance.
The present invention also is applicable to the composite panel of production by the compound different-thickness (2mm-150mm) of materials such as metal, nonmetal, plastics, honeycomb, foam, fabric, leather, felt.
Fig. 1 is a process chart of the present invention.
Fig. 2 is compounding machine plane heating and cooling segment user mode schematic diagram.
Fig. 3 is the just sticking machining state schematic diagram of preheating.
Fig. 4 is a thermal treatment zone distribution schematic diagram.
Provide the preferred embodiments of the present invention below in conjunction with accompanying drawing.
The related composited aluminum and plastic decking raw material of the manufacture method of composited aluminum and plastic decking of the present invention have five layers, i.e. aluminium alloy panel, aluminum alloy bottom plate, quilted plastic panel and two-layer hot melt adhesive film.Wherein, quilted plastic panel generally adopts polyethylene or modified poly ethylene core.According to the difference of performances such as poly design feature, degree of crystallinity, molecular weight, density, polyethylene can be divided into low molecular weight polyethylene (LMPE), LLDPE (LLDPE), low density polyethylene (LDPE) (LDPE), medium density polyethylene (MDPE), high density polyethylene (HDPE) (HDPE) and super high molecular weight (UHPE) etc.Take all factors into consideration from processing characteristics and physical and mechanical properties, we are preferred low density polyethylene (LDPE) core (0.91～0.93g/cm
2), fusing point is at 110～120 ℃.The two-layer hot melt adhesive film that the present invention adopts is mainly polycthylene grafted or its copolymer or blend, or itself and poly composite membrane.The composited aluminum and plastic decking recombination process is actually aluminium alloy and the polyethylene central layer passes through the bonding process of hot melt adhesive film.PUR has very fast cold formed speed, should screen those to be difficult to glued joint non-polar plastic (polyethylene) have the bonding film of good wellability and higher glue-joint strength.The curing of PUR is different with the viscose glue of other type, is to return to solid-state by cooling procedure from the heating and melting state.The bonding effect of PUR is to rely on it when molten condition, to the gluing of surfaces wellability, or with the compatibility of host material, and with stromal surface physics or the interaction force of chemistry.Therefore, the adhesive property of composited aluminum and plastic decking depends on the structure of PUR, the surface state of aluminium sheet and the characteristic of central layer.For realizing PUR to lasting bonding of aluminium, the aluminium surface adopts chromaking to handle, and the surface forms the chemical composition coating of the densification of one deck 5～7 μ m.The hot melt adhesive film that the present invention adopts has good wellability and adhesive strength, satisfies the bonding requirements of composited aluminum and plastic decking.
Fig. 1 has provided process chart of the present invention, and as shown in the figure, processing step of the present invention is as follows:
A, five insulating materials are loaded on respectively on the uncoiler (selecting the commercially available prod for use), centering is satisfied stacked closing under tension force control.
B, bonding in advance: this technology as shown in Figure 3, the material after superimposed enters between the preheat roll that two-layer up and down in the pre-sticking machine adopt the oil heating, it is bonding in advance to pressurize.Temperature has remarkable influence to the effect of pre-adhesion technique.Because hot melt adhesive requires the macromolecular chain diffusion, polyethylene central layer and bonding film all have crystallinity, and at a lower temperature, the macromolecular chain motion is difficult.Along with temperature improves, crystalline texture then gradually changes unformed state into, and material softening is until the melting state.Along with temperature raises, melt viscosity reduces, and the macromolecular chain motion is more prone to.In the pre-adhesion technique of the present invention, the roller temperature can be regulated in 100～170 ℃ of scopes.Adhesive effect the best in the time of 150 ℃.Except that temperature, pressure also is a key factor, and under pressure, the macromolecular chain scattering and permeating is easier, simultaneously, compresses and also helps heat conduction.Pressure can be regulated by the dancer rools gap.This technology also has the effect of pressure gas.Since multilayer material superimposed in compounding machine hot compound tense, therefore air is wrapped easily, adopts preheat roll before compounding machine, under the effect of temperature and pressure, utilize tangent line contact exhaust bubble, and make composite bed bonding in advance, guarantee that the plane pressurized adhesion of back is unlikely formation melting pore.Above-mentioned just sticking machine is selected the commercially available prod for use by technological requirement.
Compound and cooling and shaping is heated on c, plane continuously: this technology as shown in Figure 2, composited aluminum and plastic decking after just bonding by the high tool of intensity not the conveyer belt of the fiber reinforcement ptfe composite system of viscosity send in the compounding machine, adopt the heating element heater of oil heating to contact with conveyer belt, by conveyer belt heat is sent to composite plate, conveyer belt and composite plate are plane contact, have therefore realized the plane heating of composite plate.The conveyer belt of motion produces the friction traction composite plate by pressure and advances continuously, thereby has realized the unification of plane heating and continuous automatic production.
About two meters of plane heating segment length has three accurate thermal treatment zone (see figure 4)s up and down, and each district can be provided with different temperature respectively, and temperature is adjustable.Wherein, the 1st Heating Zone Temperature is 120～130 ℃, and the 2nd Heating Zone Temperature is 120～150 ℃, the 3rd Heating Zone Temperature is 120～150 ℃, when first district's temperature is 130 ℃, second district's temperature is 140 ℃, and the 3rd district's temperature can obtain the best thermal effect that adds when being 140 ℃.If the purpose of three thermals treatment zone is to form the thermograde of satisfying gradually, to satisfy the processing request of macromolecular material.In above-mentioned three thermals treatment zone, each district is divided into interlude, the right section of left side section again, and each is distinguished based on central segment, and the two ends temperature can adjust on the basis of central segment, to guarantee the homogeneity of temperature uniformity and plate face quality.Its adjusting range is adjusted 10～20 ℃ and is advisable on central segment temperature basis.
After the bringing-up section is cooling section, adopt water-cooling pattern, cooling procedure also is the face way of contact, this counter stress is eliminated and template control is very favorable, the outlet temperature of cooling is very important, generally be controlled at 10～60 ℃, 50 ℃ of outlet temperatures, natural again cooling can obtain smooth high-quality template.Process for cooling not only can make composite plate sclerosis typing, and can eliminate between quilted plastic panel top layer and sandwich layer and the internal stress between aluminium sheet and central layer.
Can carry out the plane to compounding machine by the working clearance of regulating compounding machine and pressurize, gap and pressure are by artificial setting, and the compounding machine programme-control is adjusted automatically, and the working clearance of compounding machine can be regulated in the scope less than 150mm.
Compounding machine is selected the commercially available prod for use, can carry out lectotype selection according to production engineering specifications.The temperature of each thermal treatment zone, pressure etc. are controlled by a CNL control system able to programme in the compounding machine.This system adopts existing mature technology.
D, pasting protective film: one deck plastic protective film for plastics is respectively pasted on two surfaces through the compound composited aluminum and plastic decking of compounding machine continuous level heating in laminator, in case the plate face is impaired.Laminator is selected the commercially available prod for use.
E, scale cut: the composited aluminum and plastic decking that processes cuts into production board by needed size in cutting machine.
Sheet material after scale cuts is packed after deburring, quality inspection.
Claims (8)
1, a kind of manufacture method of composited aluminum and plastic decking, it is characterized in that this method be with aluminium alloy panel, aluminum alloy bottom plate and place the quilted plastic panel between the two-layer aluminium alloy plate and place aluminium alloy plate and central layer between hot melt adhesive film superimposed after, just sticking through the preheating pressurization, in compounding machine, carry out continuous level pressurization hot melt adhesive and cooling and shaping.
2, the manufacture method of composited aluminum and plastic decking according to claim 1 is characterized in that its processing step is as follows:
A, aluminium alloy panel, aluminum alloy bottom plate, quilted plastic panel and two-layer hot melt adhesive film are loaded on respectively on the uncoiler, centering is satisfied stacked closing under tension force control;
B, in pre-sticking machine the preheating pressurization just sticking;
C, continuously heating is compound to carry out the plane in compounding machine, and cooling and shaping;
D, in laminator pasting protective film;
E, cut into finished product by the cutting machine scale.
3,, it is characterized in that described quilted plastic panel is polyethylene or modified poly ethylene central layer according to the manufacture method of claim 1,2 described composited aluminum and plastic deckings.
4, the manufacture method of composited aluminum and plastic decking according to claim 1 is characterized in that hot melt adhesive film is polycthylene grafted or its copolymer or blend, or itself and poly composite membrane.
5, the manufacture method of composited aluminum and plastic decking according to claim 1 is characterized in that the plane heating section in compounding machine is provided with three thermals treatment zone, and each district is provided with different temperatures, and temperature is adjustable.
6, the manufacture method of composited aluminum and plastic decking according to claim 5, the temperature that it is characterized in that three thermals treatment zone is: 120～130 ℃ of the 1st thermals treatment zone, 120～150 ℃ of the 2nd thermals treatment zone, 120～150 ℃ of the 3rd thermals treatment zone, and the temperature of the two end portions in each district and mid portion can adjusted 10～20 ℃ on central segment temperature basis.
7, the manufacture method of composited aluminum and plastic decking according to claim 1 is characterized in that the moulding pressure that compounding machine carries out plane heating regulates by the working clearance of regulating compounding machine, and the working clearance of compounding machine can be regulated in the scope less than 150mm.
8,, it is characterized in that temperature and pressure controls automatically by a programmable control system according to the manufacture method of arbitrary described composited aluminum and plastic decking in the claim 5 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98116826A CN1064592C (en) | 1998-07-24 | 1998-07-24 | Manufacture method of aluminium-plastics composite plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98116826A CN1064592C (en) | 1998-07-24 | 1998-07-24 | Manufacture method of aluminium-plastics composite plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1211503A true CN1211503A (en) | 1999-03-24 |
| CN1064592C CN1064592C (en) | 2001-04-18 |
Family
ID=5225230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98116826A Expired - Fee Related CN1064592C (en) | 1998-07-24 | 1998-07-24 | Manufacture method of aluminium-plastics composite plate |
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| Country | Link |
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| CN (1) | CN1064592C (en) |
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| CN1320237C (en) * | 2002-06-20 | 2007-06-06 | 王明昌 | Process for making aluminum-plastic ceiling board |
| CN102157786A (en) * | 2010-12-10 | 2011-08-17 | 中国兵器工业第二○六研究所 | Composite material stripline antenna processing method |
| CN102785403A (en) * | 2012-07-26 | 2012-11-21 | 北京华盛荣镁业科技有限公司 | Honeycomb plate and manufacturing method thereof, and rail train floor |
| CN104228305A (en) * | 2013-06-24 | 2014-12-24 | 刘凯 | Processing method of aluminum-plastic plate |
| CN106335267A (en) * | 2016-02-01 | 2017-01-18 | 揭阳市运泰装饰材料有限公司 | Recycling production technology of aluminum-plastic composite boards |
| CN106393913A (en) * | 2016-08-31 | 2017-02-15 | 北京创然铝塑工业有限公司 | Aluminum alloy-plastic composite board |
| CN106536188A (en) * | 2014-07-21 | 2017-03-22 | 蒂森克虏伯钢铁欧洲股份公司 | Device and method for producing composite sheets using multiple lamination |
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| CN1146951A (en) * | 1995-05-24 | 1997-04-09 | 乐清市华得利装饰材料有限公司 | Flexible plastic, aluminium decoration board and making method thereof |
| CN1171326A (en) * | 1997-03-20 | 1998-01-28 | 常州中化勤丰塑料有限公司 | Method for manufacturing compound aluminium-plastics plate |
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- 1998-07-24 CN CN98116826A patent/CN1064592C/en not_active Expired - Fee Related
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| CN1320237C (en) * | 2002-06-20 | 2007-06-06 | 王明昌 | Process for making aluminum-plastic ceiling board |
| CN102157786A (en) * | 2010-12-10 | 2011-08-17 | 中国兵器工业第二○六研究所 | Composite material stripline antenna processing method |
| CN102785403A (en) * | 2012-07-26 | 2012-11-21 | 北京华盛荣镁业科技有限公司 | Honeycomb plate and manufacturing method thereof, and rail train floor |
| CN104228305A (en) * | 2013-06-24 | 2014-12-24 | 刘凯 | Processing method of aluminum-plastic plate |
| CN106536188A (en) * | 2014-07-21 | 2017-03-22 | 蒂森克虏伯钢铁欧洲股份公司 | Device and method for producing composite sheets using multiple lamination |
| CN106536188B (en) * | 2014-07-21 | 2020-05-05 | 蒂森克虏伯钢铁欧洲股份公司 | Apparatus and method for manufacturing composite panels by multiple bonding |
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| CN106393913A (en) * | 2016-08-31 | 2017-02-15 | 北京创然铝塑工业有限公司 | Aluminum alloy-plastic composite board |
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